import java.util.StringJoiner;

public class Test {
    public static void main(String[] args) {
//        StringJoiner s = new StringJoiner(",");//间隔符！
        StringJoiner s = new StringJoiner(",", "[","]");
        s.add("java1");
        s.add("java2");
        s.add("java3");
        System.out.println(s);
        test();
    }


    public static void test(){
        String[] types = {"H5","APP","WXMP"};
        String[] Status = {"正常","审核","贷超"};
        String[] Channel_Codes = {"channel_code","null"};
        String[] Phones = {"17777777777","18888888888","非177188"};
        String[] IsAuditings = {"Y","N"};
        for(String type : types){
            for(String status : Status){
                for(String channel_code : Channel_Codes){
                    for(String phone : Phones){
                        for(String IsAuditing : IsAuditings){
                            System.out.println(IsAuditing);
                        }
                    }
                }
            }
        }

    }




}

